public int hashCode() {
        return guid.hashCode();
    }
}
```

### 4.2 Durable Handle Request Context
```java
package jcifs.internal.smb2.persistent;

import jcifs.internal.smb2.create.Smb2CreateContext;

public class DurableHandleRequest extends Smb2CreateContext {
    public static final String NAME = "DHnQ";  // Durable Handle Request
    
    private static final int STRUCTURE_SIZE = 16;

            return new LeaseV2CreateContextResponse();
        case "DHnQ": // Durable Handle Request/Response
            return new jcifs.internal.smb2.persistent.DurableHandleResponse();
        case "DH2Q": // Durable Handle V2 Request/Response
            return new jcifs.internal.smb2.persistent.DurableHandleV2Response();
        case "DHnC": // Durable Handle Reconnect Request/Response

            }
        }
        return false;
    }

    /**
     * Add a durable handle V1 context to this request
     */
    public void addDurableHandleV1Context() {
        addCreateContext(new jcifs.internal.smb2.persistent.DurableHandleRequest());
    }

    /**
     * Add a durable handle V2 context to this request
     * @param timeoutMs the timeout in milliseconds (0 for persistent handles)

import jcifs.CIFSContext;
import jcifs.internal.smb2.lease.Smb2LeaseKey;

/**
 * Manager for persistent and durable SMB handles.
 *
 * This class provides:
 * - Handle lifecycle management
 * - Persistent storage for persistent handles
 * - Expiration tracking for durable handles
 * - Thread-safe access to handle information
 */
public class PersistentHandleManager {

            String[] contextNames = { "DHnQ", // Durable handle request
                    "DHnC", // Durable handle reconnect
                    "AlSi", // Allocation size
                    "MxAc", // Max access
                    "TWrp", // Timewarp
                    "QFid", // Query on disk ID
                    "RqLs", // Request lease
                    "DH2Q", // Durable handle request V2

├── PersistentHandleManager.java     - Handle persistence management
├── DurableHandleRequest.java        - Durable handle v1 support
├── DurableHandleV2Request.java      - Durable handle v2 with timeout
└── HandleReconnector.java           - Automatic handle reconnection
```

#### 2.2 Implementation Tasks
- [ ] Implement persistent/durable handle contexts
- [ ] Add handle GUID generation and tracking
- [ ] Implement handle state serialization

     */
    boolean isAllowGuestFallback();

    /**
     * Property {@code jcifs.smb.client.useDurableHandles}, defaults to true
     *
     * @return whether to use durable handles for improved reliability
     */
    boolean isUseDurableHandles();

    /**
     * Property {@code jcifs.smb.client.usePersistentHandles}, defaults to false
     *

    protected boolean allowGuestFallback = false;
    /** Whether to use durable handles for improved reliability */
    protected boolean useDurableHandles = true;
    /** Whether to use persistent handles for maximum reliability */
    protected boolean usePersistentHandles = false;
    /** Timeout for durable handles in milliseconds */
    protected long durableHandleTimeout = 120000; // 2 minutes

in one of these ways:

    a) Convey the object code in, or embodied in, a physical product
    (including a physical distribution medium), accompanied by the
    Corresponding Source fixed on a durable physical medium
    customarily used for software interchange.

    b) Convey the object code in, or embodied in, a physical product
    (including a physical distribution medium), accompanied by a

			userCaKeyFile = tokens[1]
		case "disable-password-auth":
			disablePassAuth, _ = strconv.ParseBool(tokens[1])
		}
	}

	if port == 0 {
		port = 8022 // Default SFTP port, since no port was given.
	}

	if sshPrivateKey == "" {
		logger.Fatal(fmt.Errorf("invalid arguments passed, private key file is mandatory for --sftp='ssh-private-key=path/to/id_ecdsa'"), "unable to start SFTP server")
	}